From 8778c551ebd8ee98ee415311928d3f51f69f9fad Mon Sep 17 00:00:00 2001
From: Renz Christian Bagaporo <renz@espressif.com>
Date: Fri, 16 Aug 2019 17:46:50 +0800
Subject: [PATCH] cmake: set build dir for mconf-idf

Fixes an issue where if idf_build_process is called in a CMake
subdirectory, menuconfig looks for the mconf-idf binary in the wrong
place (in the subdirectory build dir instead of root binary dir).
---
 tools/cmake/kconfig.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/cmake/kconfig.cmake b/tools/cmake/kconfig.cmake
index d1d34234d..872e0d44d 100644
--- a/tools/cmake/kconfig.cmake
+++ b/tools/cmake/kconfig.cmake
@@ -47,7 +47,7 @@ function(__kconfig_init)
         externalproject_add(mconf-idf
             SOURCE_DIR ${src_path}
             CONFIGURE_COMMAND ""
-            BINARY_DIR "kconfig_bin"
+            BINARY_DIR "${CMAKE_BINARY_DIR}/kconfig_bin"
             BUILD_COMMAND rm -f ${src_path}/zconf.lex.c ${src_path}/zconf.hash.c
             COMMAND make -f ${src_path}/Makefile mconf-idf
             BUILD_BYPRODUCTS ${MCONF}